不知道是否有人有这个问题或类似问题，但如果你有一些帮助，将不胜感激。
我在以下位置设置了 postgresql，并将链接路径设置为 /usr/local/pgsql-9.0。还要在 /usr/local/lib 中设置 libpqxx
但我猜错误说它无法在任何地方找到postgresql。那是对的吗 ？
Linking CXX shared library libplayerdrivers.dylib Undefined symbols: "_PQntuples", referenced from:
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::GetLayerData(char const*)in dbconn.o "_PQresultErrorMessage", referenced from:
Postlog::rollback() constin postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o "_PQgetvalue", referenced from:
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerInfo(char const*)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQexecParams", referenced from:
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o "_PQresultStatus", referenced from:
Postlog::rollback() constin postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerInfo(char const*)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQexec", referenced from:
Postlog::rollback() constin postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerInfo(char const*)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQgetlength", referenced from:
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerInfo(char const*)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQbinaryTuples", referenced from:
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o "_PQclear", referenced from:
Postlog::rollback() constin postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
Postlog::storeData(int, char const*, void const*, double, unsigned short, unsigned short, unsigned char, unsigned char)in postlog.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::WriteLayerData(LayerDataHolder&) in dbconn.o
PostgresConn::GetLayerData(char const*)in dbconn.o
PostgresConn::GetLayerInfo(char const*)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o
PostgresConn::GetVectorMapInfo(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >)in dbconn.o "_PQsetdbLogin", referenced from:
Postlog::Setup() in postlog.o
PostgresConn::Connect(char const*, char const*, char const*, char const*, char const*)in dbconn.o "_PQstatus", referenced from:
Postlog::Setup() in postlog.o
Postlog::isConnected() const in postlog.o
PostgresConn::Connected() in postgis.o
PostgresConn::Connect(char const*, char const*, char const*, char const*, char const*)in dbconn.o "_PQfinish", referenced from:
Postlog::Shutdown() in postlog.o
Postlog::~Postlog()in postlog.o
Postlog::~Postlog()in postlog.o
Postlog::~Postlog()in postlog.o
PostgresConn::Disconnect() in dbconn.o
ld: symbol(s) not found